Cargo Ship Subtraction

Cargo Ship - Subtraction Math Game

Content Skill: Subtraction        
Common Core State Standards: CCSS.Math.Content.2.OA.B.2 - Fluently subtract within 20 using mental strategies.  By end of Grade 2, know from memory all sums of two one-digit numbers.


Help Officer Hubert get the correct crates loaded onto the boat.  He will scan them to make sure they are safe for travel.